/* Flame & Steel Architecture Studio - CSS */

/* CSS Custom Properties */
:root {
  --primary-color: #FF6B35;
  --secondary-color: #2C3E50;
  --primary-dark: #E55A2B;
  --secondary-light: #34495E;
  --accent-color: #F39C12;
  --text-dark: #2C3E50;
  --text-light: #FFFFFF;
  --text-muted: #7F8C8D;
  --bg-light: #FFFFFF;
  --bg-dark: #1A1A1A;
  --bg-section: #F8F9FA;
  --shadow: 0 4px 20px rgba(44, 62, 80, 0.1);
  --shadow-hover: 0 8px 40px rgba(255, 107, 53, 0.2);
  --gradient-flame: linear-gradient(135deg, #FF6B35 0%, #F39C12 100%);
  --gradient-steel: linear-gradient(135deg, #2C3E50 0%, #34495E 100%);
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --border-radius: 8px;
}

/* Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--bg-light);
  font-size: 16px;
  overflow-x: hidden;
}

html {
  scroll-behavior: smooth;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
  margin-bottom: 1rem;
  color: var(--text-muted);
  font-size: 1.1rem;
}

/* Bootstrap 5 Overrides */
.container-fluid {
  padding-left: 1rem;
  padding-right: 1rem;
}

@media (min-width: 576px) {
  .container-fluid {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

/* Navigation */
.navbar {
  background: rgba(255, 255, 255, 0.95) !important;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  transition: var(--transition);
  padding: 1rem 0;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98) !important;
  padding: 0.5rem 0;
}

.navbar-brand {
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--text-dark) !important;
  text-decoration: none;
  transition: var(--transition);
}

.navbar-brand:hover {
  color: var(--primary-color) !important;
  transform: scale(1.05);
}

.navbar-nav .nav-link {
  color: var(--text-dark) !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  position: relative;
  transition: var(--transition);
}

.navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gradient-flame);
  transition: var(--transition);
  transform: translateX(-50%);
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--primary-color) !important;
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
  width: 80%;
}

.navbar-toggler {
  border: none;
  padding: 0.25rem;
}

.navbar-toggler:focus {
  box-shadow: none;
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23FF6B35' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='m4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Buttons */
.btn {
  font-weight: 600;
  padding: 0.75rem 2rem;
  border-radius: var(--border-radius);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: var(--transition);
  border: 2px solid transparent;
  font-size: 0.9rem;
}

.btn-primary {
  background: var(--gradient-flame);
  border-color: var(--primary-color);
  color: var(--text-light);
  box-shadow: var(--shadow);
}

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: var(--text-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn-outline-primary {
  background: transparent;
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.btn-outline-primary:hover {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: var(--text-light);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--gradient-steel);
  border-color: var(--secondary-color);
  color: var(--text-light);
}

.btn-secondary:hover {
  background: var(--secondary-light);
  border-color: var(--secondary-light);
  color: var(--text-light);
  transform: translateY(-2px);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, 
    rgba(255, 107, 53, 0.9) 0%, 
    rgba(44, 62, 80, 0.8) 100%),
    url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><rect width="1000" height="1000" fill="%23f8f9fa"/><path d="M0 500L50 520L100 540L150 580L200 600L250 620L300 640L350 660L400 680L450 700L500 680L550 660L600 640L650 620L700 600L750 580L800 560L850 540L900 520L950 500L1000 480V1000H0V500Z" fill="%23FF6B35" opacity="0.1"/></svg>');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at center, transparent 0%, rgba(0, 0, 0, 0.1) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--text-light);
}

.hero h1 {
  color: var(--text-light);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  margin-bottom: 1.5rem;
  animation: fadeInUp 1s ease-out;
}

.hero p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.2rem;
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  animation: fadeInUp 1s ease-out 0.2s both;
}

.hero .btn {
  margin: 0.5rem;
  animation: fadeInUp 1s ease-out 0.4s both;
}

/* Sections */
.section {
  padding: 5rem 0;
}

.section-alt {
  background-color: var(--bg-section);
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
}

.section-title::after {
  content: '';
  width: 60px;
  height: 4px;
  background: var(--gradient-flame);
  display: block;
  margin: 1rem auto;
  border-radius: 2px;
}

/* Cards */
.card {
  border: none;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
  overflow: hidden;
  height: 100%;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-hover);
}

.card-img-top {
  height: 250px;
  object-fit: cover;
  transition: var(--transition);
}

.card:hover .card-img-top {
  transform: scale(1.05);
}

.card-body {
  padding: 2rem;
}

.card-title {
  color: var(--text-dark);
  font-weight: 700;
}

.card-text {
  color: var(--text-muted);
}

/* Services Grid */
.service-item {
  text-align: center;
  padding: 2rem;
  background: var(--bg-light);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
  height: 100%;
}

.service-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.service-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  background: var(--gradient-flame);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 2rem;
  transition: var(--transition);
}

.service-item:hover .service-icon {
  transform: scale(1.1) rotate(5deg);
}

/* Portfolio Grid */
.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
  background: var(--bg-light);
}

.portfolio-item:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-hover);
}

.portfolio-image {
  width: 100%;
  height: 300px;
  object-fit: cover;
  transition: var(--transition);
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 107, 53, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-overlay h4 {
  color: var(--text-light);
  text-align: center;
  transform: translateY(20px);
  transition: var(--transition);
}

.portfolio-item:hover .portfolio-overlay h4 {
  transform: translateY(0);
}

/* Forms */
.form-control {
  border: 2px solid #E9ECEF;
  border-radius: var(--border-radius);
  padding: 0.75rem 1rem;
  font-size: 1rem;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(255, 107, 53, 0.25);
}

.form-label {
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
}

/* Footer */
.footer {
  background: var(--gradient-steel);
  color: var(--text-light);
  padding: 3rem 0 1rem;
}

.footer h5 {
  color: var(--text-light);
  margin-bottom: 1rem;
}

.footer p,
.footer a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: var(--transition);
}

.footer a:hover {
  color: var(--primary-color);
  text-decoration: none;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1rem;
  margin-top: 2rem;
  text-align: center;
}

/* Social Icons */
.social-icons {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.social-icon {
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  text-decoration: none;
  transition: var(--transition);
}

.social-icon:hover {
  background: var(--primary-color);
  color: var(--text-light);
  transform: translateY(-3px);
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

.fade-in-up {
  animation: fadeInUp 0.8s ease-out;
}

/* Loading Animation */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--text-light);
  animation: spin 0.8s ease-in-out infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Utility Classes */
.text-primary {
  color: var(--primary-color) !important;
}

.text-secondary {
  color: var(--secondary-color) !important;
}

.bg-primary {
  background: var(--gradient-flame) !important;
}

.bg-secondary {
  background: var(--gradient-steel) !important;
}

.shadow {
  box-shadow: var(--shadow) !important;
}

.shadow-hover {
  box-shadow: var(--shadow-hover) !important;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero {
    background-attachment: scroll;
    min-height: 80vh;
    padding: 2rem 0;
  }
  
  .section {
    padding: 3rem 0;
  }
  
  .btn {
    padding: 0.5rem 1.5rem;
    font-size: 0.85rem;
  }
  
  .card-body {
    padding: 1.5rem;
  }
  
  .service-item {
    padding: 1.5rem;
  }
  
  .portfolio-image {
    height: 250px;
  }
  
  .navbar-collapse {
    background: rgba(255, 255, 255, 0.98);
    padding: 1rem;
    margin-top: 1rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
  }
}

@media (max-width: 576px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero p {
    font-size: 1.1rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  .section {
    padding: 2rem 0;
  }
  
  .service-icon {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .hero {
    background-size: cover;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}